<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <script type="text/javascript">
        function myAlert() {
            alert("调用js方法成功");
        };
    </script>
</head>
<body>
<input type="button"
       value="调用android的方法"
       onclick="xxxxxx.ccccc('显示的内容')"
/>
</body>
</html>